Golf putter head



FIG. 1 is a front perspective view of a golf putter head showing my design;

FIG. 2 is a rear perspective view;

FIG. 3 is a left side view;

FIG. 4 is a right side view;

FIG. 5 is a top view; and

FIG. 6 is a bottom view. 

The ornamental design for a golf putter head, substantially as shown. 